Trask was just there to show you how the controls work. His death was a way to get rid of a charactor they didn't want to use throughout the game. It was also a way to introduce Darth Bandon. Nothing more.

Quote:

Originally Posted by BumpoTheHutt

There is no existance to any of these characters outside the parameters of the script of the game. They know nothing more than what we find out they know in the game. They don't exist outside the confinements of the script of the game.